Self-Frequency Doubling Laser Performance of Nd:GdCOB Crystal with a Phase-Matching Angle Out of the Principal Plane
LÜ Jun-hua, LI Guang-ming, LIU Jun-hai, ZHANG Shu-jun, CHEN Huan-chu, JIANG Min-hua, SHAO Zong-shu
National Key Laboratory of Crystal Materials, Shandong University, Jinan 250100
Self-Frequency Doubling Laser Performance of Nd:GdCOB Crystal with a Phase-Matching Angle Out of the Principal Plane
LÜ Jun-hua;LI Guang-ming;LIU Jun-hai;ZHANG Shu-jun;CHEN Huan-chu;JIANG Min-hua;SHAO Zong-shu
National Key Laboratory of Crystal Materials, Shandong University, Jinan 250100
关键词 ：
42.55.Rz
Abstract ： The self-frequency doubling laser performance of Nd:GdCOB crystal cut in phase-matching direction (θ = 66.3°, Ф= 134.4 °) was compared with the crystal cut in the direction of (θ= 90 °, Ф = 46°). Results show that the former has a higher second-harmonic conversion efficiency than the latter. Using Ti:sapphire laser as pumping source, a maximum of 11.3mW of green light has been obtained with an incident power of 520mW. This corresponds to an optical-optical conversion efficiency of 2.2%. Laser threshold for self-frequency doubling operation is measured to be 1 mW. To our knowledge, this is the lowest threshold achieved so far.
Key words ：
42.55.Rz
出版日期: 1999-09-01
:
42.55.Rz
(Doped-insulator lasers and other solid state lasers)
引用本文:
LÜJun-hua;LI Guang-ming;LIU Jun-hai;ZHANG Shu-jun;CHEN Huan-chu;JIANG Min-hua;SHAO Zong-shu. Self-Frequency Doubling Laser Performance of Nd:GdCOB Crystal with a Phase-Matching Angle Out of the Principal Plane[J]. 中国物理快报, 1999, 16(9): 651-652.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1999/V16/I9/651
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1999, Vol. 16 
